Clock
Clock is a free, open-source utility app for Android. Alarm, clock, timer and stopwatch mode. It has 1,135 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid.
- Android
- Java
- Utilities
- Actively maintained
About Clock
Clock is a privacy-conscious open-source clock, based on AOSP. Does not use internet permission, and thus is 100% offline. Features: Set the alarms to a specific date; Flip and shake action to dismiss/postpone alarm; Turn off/postpone the alarm with the power button or volume buttons; For some Snapdragon devices only, the alarm is triggered when they are switched off Unfortunately, this feature may not work on some devices despite the presence of the "com.qualcomm.qti.poweroffalarm" system app.
Privacy and F-Droid
F-Droid builds Clock from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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What is Clock?
Clock is a free, open-source utility app for Android. Alarm, clock, timer and stopwatch mode. It has 1,135 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid.
Is Clock free and open source?
Yes. Clock's source code is public on GitHub under the Apache-2.0 license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install Clock?
You can install Clock from F-Droid (package com.best.deskclock); the links are on this page. Its GitHub repository also publishes releases (latest: 2.33).
Is Clock still maintained?
The repository's most recent commit was on Sep 25, 2026. Its F-Droid listing was last updated on Sep 27, 2026. appsgit only lists apps whose repository had a commit in the last six months.